import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main1 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
       int n=in.nextInt();
       int m=in.nextInt();
          int q=in.nextInt();
       long[][] arr=new long[n+1][m+1];
       for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
          
           if(j==1) {
            arr[i][j]=arr[i-1][m]+in.nextInt();
           }else{
             arr[i][j]=arr[i][j-1]+in.nextInt();
           }
        }
       }
       while(q>0){
       int x1=in.nextInt();
       int y1=in.nextInt();

       int x2=in.nextInt();

       int y2=in.nextInt();
       long sum=arr[x2][y2]-arr[x2][y1-1]-arr[x1-1][y2]+arr[x1-1][y1-1];
       System.out.println(sum);
                q--;

       }
        
    }
}